GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-15 11:41:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

amp: Set mac addr to share ram while one gmac is disable.

Browse source 
In AMP case, one GMAC is moved to RTOS side. u-boot dts node
is disabled, RTOS need to get the MAC address. So u-boot write
the MAC address to share RAM.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
This commit is contained in:
Minda Chen 2024-04-12 18:21:14 +08:00
parent 1444304dac
commit d3c1495750
1 changed files with 19 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
board/starfive/visionfive2/starfive_visionfive2.c
View file

@ -32,6 +32,8 @@
#define CPU_VOL_BINNING_OFFSET 0x7fc
DECLARE_GLOBAL_DATA_PTR;
enum {
BOOT_FLASH = 0,
BOOT_SD,
@ -422,7 +424,9 @@ int board_init(void)
int board_late_init(void)
{
struct udevice *dev;
int ret;
int ret, offset;
u8 mac0[6], mac1[6];
u64 share_ram_addr;
get_boot_mode();
@ -443,6 +447,20 @@ int board_late_init(void)
if (ret)
goto err;
/* AMP case : write MAC to share ram */
offset = fdt_path_offset(gd->fdt_blob,
"/chosen/opensbi-domains/rpmsg_shmem");
if (offset >= 0) {
share_ram_addr =
fdtdec_get_uint64(gd->fdt_blob, offset, "base", 0);
if (share_ram_addr) {
eth_env_get_enetaddr("eth0addr", mac0);
eth_env_get_enetaddr("eth1addr", mac1);
memcpy((void *)share_ram_addr, mac0, 6);
memcpy((void *)(share_ram_addr + 8), mac1, 6);
}
}
err:
return 0;
}